Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 627/4-2Z

W 627/4-2Z

Dimensions

d		4	mm
D		7	mm
B		2.5	mm
d₁	≈	4.8	mm
D₂	≈	6.5	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	4.6	mm
d_a	max.	4.7	mm
D_a	max.	6.5	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.143	kN
Basic static load rating	C₀	0.053	kN
Fatigue load limit	P_u	0.002	kN
Reference speed		150000	r/min
Limiting speed		75000	r/min
Calculation factor	k_r	0.015
Calculation factor	f₀	7.6

Mass

Mass bearing

0.00031

Model Number: W 627/4-2Z
Inner Diameter：4mm Outer Diameter：7mm Width：2.5mm
Reference speed:75000 r/min Limiting speed:150000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-04-18
Application:steam Hydraulic control element,disposable,Cutting Machine,multi-knife lathe,Surveying Surveying Instruments,Machine tool accessories,Industrial equipment,chemical raw materials and reagents,Hydraulic Couplings,meat products machine,metallurgical mold
Similar models:627/HR22Q2 W 627/5 XR W 627-2RS1 627/HR11QN W 627/4-2ZS W 627/4-2Z W 627 R W 627/5-2Z 627-RSH W 627/4 R-2Z
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Model No.	Inner Diameter	Outer Diameter	Width	Type
13862	34.925	63.55	6.35	Seals
17415	44.45	65.05	6.35	Seals
45x65x8 HMSA10 V	45	65	8	Seals
628/4-2Z	4	9	3.5	Bearings, units and housings
6304-RSL	20	52	15	Bearings, units and housings
NU 2980 ECMA	400	540	82	Bearings, units and housings
PCZ 1414 E	22.225	25.4	22.225	Bearings, units and housings
SAF 22544 x 8	203.2	-	-	Bearings, units and housings
QJ 240 N2MA	200	360	58	Bearings, units and housings
SCF 45 ES	45	-	32	Bearings, units and housings
SHT 85	85	-	-	Coupling systems
W 639-2Z	9	30	10	Bearings, units and housings

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